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Storage Devices You will be able to:

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Presentation on theme: "Storage Devices You will be able to:"— Presentation transcript:

1 Storage Devices You will be able to:
Explain the need for secondary storage Describe common storage technologies Know what storage devices should be used for given purposes

2 What is secondary storage?
When the computer is switched off what happens? What does it store?

3 Why secondary storage? Why use this over other types?

4 Common Storage Technologies
What are the 3 main categories of storage?

5 2° Storage - Magnetic What does it store? How does it store it?
Why Magnetic? An example would be?

6 2° Storage - HDD What is it? How big is it (capacity)?
What does it store?

7 2° Storage - HDD Advantages of HDD Disadvantages of HDD

8 2° Storage - Optical What it stores? What is it stored on?
How does it work? What do the different areas represent? Example

9 2° Storage – CD-ROM What do they store? Advantages (at least 3)
Disadvantages (at least 3)

10 2° Storage – Solid State What do they store? What do they store it on?
Different areas act as? How? Example

11 2° Storage – Solid State Advantages Disadvantages


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